.header{}
.header_nav{background:#fdfdfd;border-bottom:1px solid #eaebeb;color:#4b4c4d;}
.nav{background:#fdfdfd;border-bottom:1px solid #eaebeb;}
.nav_box{display:flex;align-items: center;justify-content: space-between;height:80px;}
.nav_logo{}
.nav_logo_icon{height:48px;}